2226                                       ObjCMethodDecl *MethodImpl,  in CheckMethodOverrideReturn()  argument
2233                             MethodImpl->getObjCDeclQualifier())) {  in CheckMethodOverrideReturn()
2235       S.Diag(MethodImpl->getLocation(),  in CheckMethodOverrideReturn()
2239           << MethodImpl->getDeclName()  in CheckMethodOverrideReturn()
2240           << MethodImpl->getReturnTypeSourceRange();  in CheckMethodOverrideReturn()
2248       !isa<ObjCImplementationDecl>(MethodImpl->getDeclContext()) &&  in CheckMethodOverrideReturn()
2249       !S.Context.hasSameNullabilityTypeQualifier(MethodImpl->getReturnType(),  in CheckMethodOverrideReturn()
2253       *MethodImpl->getReturnType()->getNullability(S.Context);  in CheckMethodOverrideReturn()
2256       S.Diag(MethodImpl->getLocation(),  in CheckMethodOverrideReturn()
2260              ((MethodImpl->getObjCDeclQualifier() & Decl::OBJC_TQ_CSNullability)  in CheckMethodOverrideReturn()
2269   if (S.Context.hasSameUnqualifiedType(MethodImpl->getReturnType(),  in CheckMethodOverrideReturn()
2282           MethodImpl->getReturnType()->getAs<ObjCObjectPointerType>()) {  in CheckMethodOverrideReturn()
2298   S.Diag(MethodImpl->getLocation(), DiagID)  in CheckMethodOverrideReturn()
2299       << MethodImpl->getDeclName() << MethodDecl->getReturnType()  in CheckMethodOverrideReturn()
2300       << MethodImpl->getReturnType()  in CheckMethodOverrideReturn()
2301       << MethodImpl->getReturnTypeSourceRange();  in CheckMethodOverrideReturn()
2310                                      ObjCMethodDecl *MethodImpl,  in CheckMethodOverrideParam()  argument
2325             << MethodImpl->getDeclName();  in CheckMethodOverrideParam()
2329           << MethodImpl->getDeclName();  in CheckMethodOverrideParam()
2340       !isa<ObjCImplementationDecl>(MethodImpl->getDeclContext()) &&  in CheckMethodOverrideParam()
2384     << MethodImpl->getDeclName() << IfaceTy << ImplTy;  in CheckMethodOverrideParam()